package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.constant.MessageConstant;
import com.itheima.dao.MemberDao;
import com.itheima.dao.OrderDao;
import com.itheima.dao.OrderSettingDao;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.OrderService;
import com.itheima.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.Map;

/**
 * 预约服务
 */
@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService {
    @Autowired
    private OrderSettingDao orderSettingDao;
    @Autowired
    private MemberDao memberDao;
    @Autowired
    private OrderDao orderDao;
    @Override
    public Result order(Map map) throws Exception{
        //1.根据日期判断是否已经设置预约
        String orderDate = (String) map.get("orderDate");
        OrderSetting orderSetting = orderSettingDao.findByOrderDate(DateUtils.parseString2Date(orderDate));
        if (orderSetting == null){
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
        //2.判断是否已经预约满
        int number = orderSetting.getNumber();
        int reservations = orderSetting.getReservations();
        if (reservations >= number){
            return new Result(false,MessageConstant.ORDER_FULL);
        }
        //3.检查用户是否重复预约(同一天,同一用户,相同的套餐)
        String telephone = (String) map.get("telephone");
        Member member = memberDao.findByCondition(telephone);
        if (member != null){
            Integer setmealId = Integer.parseInt((String)map.get("setmealId"));
            Integer memberId = member.getId();
            Order order = new Order(memberId,DateUtils.parseString2Date(orderDate),setmealId);
            List<Order> list = orderDao.findByCondition(order);
            if (list != null && list.size() > 0){
                return new Result(false,MessageConstant.HAS_ORDERED);
            }
        }else {
            //4.不是会员自动注册
            member = new Member();
            member.setName((String) map.get("name"));
            member.setIdCard((String) map.get("idCard"));
            member.setPhoneNumber(telephone);
            member.setRegTime(new Date());
            member.setSex((String) map.get("sex"));
            memberDao.add(member);
        }
        //5.预约成功,更新order表和orderSetting表
        Order order = new Order();
        order.setMemberId(member.getId());
        order.setOrderDate(DateUtils.parseString2Date(orderDate));
        order.setOrderType((String) map.get("orderType"));
        order.setOrderStatus(Order.ORDERSTATUS_NO);
        order.setSetmealId(Integer.parseInt((String)map.get("setmealId")));
        orderDao.add(order);

        orderSetting.setReservations(orderSetting.getReservations() + 1);
        orderSettingDao.editReservationsByOrderDate(orderSetting);
        return new Result(true,MessageConstant.ORDER_SUCCESS,order.getId());
    }

    @Override
    public Map findById(Integer id) {
        return orderDao.findById4Detail(id);
    }
}
